Home / 11,761.68-16,230.96-6,726.72

Finding the Fourth Proportional to 11,761.68, 16,230.96 and 6,726.72

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Solution

The fourth proportional to 11,761.68, 16,230.96 and 6,726.72 is: 9,282.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,761.68 : 16,230.96 = 6,726.72 : x
  2. Step 2: Convert to fraction form
    11,761.68/16,230.96 = 6,726.72/x
  3. Step 3: Cross multiply
    11,761.68x = 16,230.96 × 6,726.72
  4. Step 4: Simplify right side
    11,761.68x = 109,181,123.25
  5. Step 5: Solve for x
    x = 109,181,123.25/11,761.68
  6. Step 6: Final answer
    x = 9,282.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.